Home / 124,770.99-187,128.96-36,005.20

Finding the Fourth Proportional to 124,770.99, 187,128.96 and 36,005.20

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Solution

The fourth proportional to 124,770.99, 187,128.96 and 36,005.20 is: 53,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,770.99 : 187,128.96 = 36,005.20 : x
  2. Step 2: Convert to fraction form
    124,770.99/187,128.96 = 36,005.20/x
  3. Step 3: Cross multiply
    124,770.99x = 187,128.96 × 36,005.20
  4. Step 4: Simplify right side
    124,770.99x = 6,737,615,630.59
  5. Step 5: Solve for x
    x = 6,737,615,630.59/124,770.99
  6. Step 6: Final answer
    x = 53,999.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.